Sharp AR-M355U Service Manual page 269

Signal name Name
RXD_DSK Serial I/F data (DESK)
RXD_FIN1 Serial I/F data
(FINISHER)
RXD_FIN2 Serial I/F data
(FINISHER)
RXD_PCU Serial communication
send data signal
TCS Toner concentration
detection signal
TH-DV Developing temperature
sensor
THVin N.C.
TMA Toner motor control signal Toner motor ON/OFF
TMB Toner motor control signal Toner motor ON/OFF
TXD_DSK Serial I/F data (DESK)
TXD_FIN1 Serial I/F data
(FINISHER)
TXD_FIN2 Serial I/F data
(FINISHER)
TXD_PCU Serial communication
receive data signal
VIDEO Image signal
VIDEOin- Image signal
VIDEOin+ Image signal
VRB Laser power control signal Laser power control
XADM_H/L ADU motor current control
signal
XADMCK1 ADU upper transport
motor clock signal
XADMCK2 ADU lower transport
motor clock signal
XADMEN1 ADU upper transport
motor control signal
XADMEN2 ADU lower transport
motor control signal
XADUFM ADU cooling fan control
signal
XCFM1_PWM Suction fan control signal
XCFM2PWM Ozone exhaust fan control
signal
XCPFC Paper cassette paper feed
clutch control signal
XDGS ADU gate solenoid control
signal
XDHVPWM Separation high voltage
output control signal
XDHVREM Separation high voltage
control signal
XDM OPC drum motor control
signal (ON/OFF)
XDSR_DSK Serial communication
control signal
XDSR_FIN1 Serial communication
control signal
XDSR_FIN2 Serial communication
control signal
XDTR_DSK Serial communication
control signal
Function/Operation
Serial I/F data (DESK-
PCU PWB)
Serial I/F data
(FINISHER-PCU PWB)
Serial I/F data
(FINISHER-PCU PWB)
Send data to the controller
Toner concentration
detection
Temperature detection
around the developing unit
N.C.
control
control
Serial I/F data (PCU PWB-
DESK)
Serial I/F data (PCU PWB
- FINISHER)
Serial I/F data (PCU PWB
- FINISHER)
Receive data from the
controller
Image signal to the LSU
Image signal from the
controller to the PCU PWB
Image signal from the
controller to the PCU PWB
ADU motor current control
ADU upper transport
motor rotation speed
control
ADU lower transport
motor rotation speed
control
ADU upper transport
motor ON/OFF control
ADU lower transport
motor ON/OFF control
Cooling fan control
Suction fan control
Ozone exhaust fan control
Paper feed clutch control
Gate select in duplex or
paper exit
Separation high voltage
PWM control
Separation high voltage
ON/OFF control
OPC drum motor ON/OFF
Receive control
Receive control
Receive control
Send control
AR-M351U/M451U, AR-M355U/M455U ELECTRICAL SECTION 13 - 21
Connector level
Connector
L H
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
ON OFF
ON OFF
ON OFF
Max. air flow OFF
OFF ON
Paper —
transport
Duplex Single
— —
ON OFF
ON OFF
— —
— —
— —
— —
Pin PWB
Remark
No. NO. name
11 14 PCU
11 2 PCU
11 8 PCU
2 21 PCU
8 7 PCU
8 4 PCU
15 14
7 1 PCU
7 2 PCU
11 13 PCU
11 1 PCU
11 7 PCU
2 23 PCU
16 13 PCU
2 9 PCU
2 10 PCU
16 9 PCU
12 25 PCU
12 8 PCU
12 10 PCU
12 7 PCU
12 9 PCU
12 26 PCU
13 21 PCU
4 15 PCU
4 20
13 4 PCU
12 13 PCU
15 7 PCU
15 4 PCU
6 5 PCU
11 16 PCU
11 4 PCU
11 10 PCU
11 15 PCU